diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 9d74569..5b53071 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -25,7 +25,7 @@ jobs:
         run: composer require --no-update --dev phpunit/phpunit:^9.3
         if: "matrix.php == '8.0'"
       - name: "Use composer-normalize 2.31+ on PHP 8"
-        run: composer require --no-update --dev phpunit/phpunit:^2.31
+        run: composer require --no-update --dev ergebnis/composer-normalize:^2.31
         if: "matrix.php == '8.0'"
       - run: composer update --no-progress ${{ matrix.composer-flags }}
       - run: vendor/bin/phpunit --coverage-text --coverage-clover build/logs/clover.xml